"""
    引入模块：
        1、import语句
            import statistics
            print(statistics.median([19,-5,36]))
            print(statistics.mean([19,-5,36]))

        2、from...import...语句
            from statistics import median,mean
            print(median([19,-5,36]))
            print(mean([19,-5,36]))

        3、from...import *
            from statistics import *
            print(median([19,-5,36]))
            print(mean([19,-5,36]))
"""

import akshare

print(akshare.get_cffex_daily("20220222"))


